HR-640i
The SVC HR-640i is our full range 350 nm to 2500 nm region instrument with medium spectral resolution in the SWIR region and supports many agricultural applications.
HR-640i Specifications | |||
| Spectral Range | 350 nm – 2500 nm | ||
| Internal Memory | 1000 scans | ||
| Channels | 640 | ||
| Linear Array | (1) 512ch Si, 350 – 1000 nm (1) 64ch InGaAs, 1000 – 1890 nm (1) 64ch Extended InGaAs, 1890 – 2500 nm | ||
| Spectral Resolution (FWHM) | 3.3 nm, 700 nm 30 nm, 1500 nm 28 nm, 2100 nm | ||
| Bandwidth (nominal) | 1.5 nm, 350 – 1000 nm 14 nm, 1000 – 1890 nm 10 nm, 1890 – 2500 nm | ||
| Minimum Integration | 1 millisecond | ||
| FOV | 4˚ standard, 8˚ or 14˚ optional 25˚ optional armored fiber optic | ||
| Noise Equivalent Radiance | ≤ 0.8 x 10-9 W/cm2/nm/sr @ 700 nm ≤ 1.0 x 10-9 W/cm2/nm/sr @ 1500 nm ≤ 1.0 x 10-9 W/cm2/nm/sr @ 2100 nm | ||
| Stand Alone Measurements (no computer required) | Standard | ||
| Calibration Accuracy (NIST Traceable) | ±5% @ 400 nm ±4% @ 700 nm ±7% @ 2200 nm | ||
| Wavelength Reproducibility | 0.1 nm | ||
| Dark Current Correction | Automatic/selectable | ||
| Spectrum Averaging | Automatic/selectable | ||
Physical Specifications | |||
| Head Size | 8.75” x 11.5” x 3.0” | ||
| Weight | 8.5lbs., 3.8kg | ||
| Digitization | 16 bit | ||
| Battery Type | 7.4 V lithium ion | ||
| Battery Life | 3 hours approximately | ||
| Host Communications | wireless Bluetooth USB RS232 | ||
| Sealing | Sealed against dirt and dust | ||
| Tri-pod Mounting | Standard 1/4-20 Camera mounts | ||
| Sighting | Laser diode | ||
HR-640i Details
The SVC HR-640i provides high quality spectral data across the full spectral region from 350 nm to 2500 nm. The spectral resolution in the SWIR region is suitable for many applications in forestry, agriculture and environmental assessment.
Designed for maximum optical performance the SVC HR-640i has:
- Co-aligned symmetrical and uniform field of view
- Full conical field of view eliminating spectral discontinuities and step discontinuities at the spectrometer sensor interfaces
- Conical field of view gives better measurement data for all surfaces, especially heterogeneous surfaces
Sample Scans
Features
And the HR-640i delivers the high quality data with industry leading ease of use:
- Data stored in the built-in computer – no external computer to carry in the field
- Scene photos and GPS coordinates stored with every file, so you know exactly what the conditions were for each scan
- Two Bluetooth devices allows the instrument to receive data from an external sensor suite containing up to 16 separate sensors. The sensor suite can include downwelling sensors supplying instantaneous broad or narrow band solar response. The sensor data is stored with the spectral data file, allowing the researcher to understand changes in solar irradiance and assist in corrections
- Other environmental sensors are available.